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Fragrance

UNDECATRIENE

CAS 16356-11-9
35

Safety score · 0–100

Caution

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

A polyunsaturated 11-carbon hydrocarbon used as a green-galbanum fragrance note. PubChem flags severe aquatic toxicity (H410) plus aspiration hazard and skin irritation.

Function

PERFUMING

Skin benefits

  • Provides green, galbanum-citrus fragrance note
  • Distinctive top-note in modern perfumery

Known concerns

  • GHS H304 may be fatal if swallowed and enters airways
  • GHS H315 causes skin irritation
  • GHS H410 very toxic to aquatic life with long lasting effects
  • Highly bioaccumulative and aquatic toxin

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.